Home / 16,983.79-23,437.50-9,326.98

Finding the Fourth Proportional to 16,983.79, 23,437.50 and 9,326.98

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Solution

The fourth proportional to 16,983.79, 23,437.50 and 9,326.98 is: 12,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,983.79 : 23,437.50 = 9,326.98 : x
  2. Step 2: Convert to fraction form
    16,983.79/23,437.50 = 9,326.98/x
  3. Step 3: Cross multiply
    16,983.79x = 23,437.50 × 9,326.98
  4. Step 4: Simplify right side
    16,983.79x = 218,601,093.75
  5. Step 5: Solve for x
    x = 218,601,093.75/16,983.79
  6. Step 6: Final answer
    x = 12,871.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.